Opinion - Collective and professional opinions. 1  In contemporary usage, public opinion is the aggregate of individual attitudes or beliefs held by a population (e.g., a city, state, or country), while consumer opinion is the similar aggregate collected as part of marketing research (e.g., opinions of users of a particular product or service).
DNA replication occurs during the synthesis (S phase) phase of interphase in the cell cycle. DNA replication begins in areas of DNA molecules called origins of replication. DNA replication occurs during the synthesis (S phase) phase of interphase in the cell cycle. DNA replication begins in areas of DNA molecules called origins of replication. Go
In nature, DNA synthesis takes place in cells by a mechanism known as DNA replication. Using genetic engineering and enzyme chemistry, scientists have developed man-made methods for synthesizing DNA. The most important of these is poly-merase chain reaction (PCR).